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Convert string to symbol-able in ruby
...o be able to do and undo an operation. .to_sym can convert one direction (from string to symbol), and .to_s can convert (from symbol to string). and if you are dealing with an array consider .map(&:to_sym) or .map(&to_s) to convert all elements.
– jasonleonhard
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How to delete all the rows in a table using Eloquent?
...his works for Laravel 4 and 5:
MyModel::truncate();
That drops all rows from the table without logging individual row deletions.
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IIS: Idle Timeout vs Recycle
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Idle Timeout is if no action has been asked from your web app, it the process will drop and release everything from memory
Recycle is a forced action on the application where your processed is closed and started again, for memory leaking purposes and system health
Th...
Batch Renaming of Files in a Directory
...c, movie, and
picture files named a certain way.
When I download files from the
internet, they usually don’t follow my
naming convention. I found myself
manually renaming each file to fit my
style. This got old realy fast, so I
decided to write a program to do it
for me.
This ...
What exactly is node.js used for? [closed]
...
From Node.js website
Node.js is a platform built on Chrome's JavaScript runtime for easily
building fast, scalable network applications. Node.js uses an
event-driven, non-blocking I/O model that makes it lightweight a...
Iterate over the lines of a string
...he same results as the others (trailing blanks on a line are kept), i.e.:
from cStringIO import StringIO
def f4(foo=foo):
stri = StringIO(foo)
while True:
nl = stri.readline()
if nl != '':
yield nl.strip('\n')
else:
raise StopIteration
Meas...
Get list of a class' instance methods
...t class only.
TestClass.instance_methods(false)
would return the methods from your given example (since they are instance methods of TestClass).
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Error :: duplicate files during packaging of APK
...otice.txt instead of NOTICE.txt? Though the error looks actually different from the one where the exclude happens. Do you have a META-INF/notice.txt file in your src/main/resources/ ?
– Xavier Ducrohet
Mar 18 '14 at 15:48
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Why should I prefer to use member initialization lists?
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Apart from the performance reasons mentioned above, if your class stores references to objects passed as constructor parameters or your class has const variables then you don't have any choice except using initializer lists.
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Deep null checking, is there a better way?
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@John: We get this feature request almost entirely from our most experienced programmers. The MVPs ask for this all the time. But I understand that opinions vary; if you'd like to give a constructive language design suggestion in addition to your criticism, I'm happy to consi...